Three technology titans have powered nearly half of the S&P 500’s advance this year, a worrying sign for investors expecting a strengthening economy to lift shares of manufacturers, oil companies and other firms whose fortunes typically improve with growth.

Twitter banned some kinds of automated accounts and placed restrictions on posting simultaneously from multiple accounts, curbs that drew complaints from conservative members who claim they are being unfairly targeted.176

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WHAT TO EXPECT WHEN YOU’RE PROJECTING New moms and dads are worried that high-tech gadgets are coming between them and their newborns—if not as obtrusively as the virtual reality goggles in this speculative scenario.

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Government mandates requiring utilities to procure renewable energy should keep U.S. solar power growing, despite new Trump administration tariffs on imported solar panels that are poised to raise prices.86

Publishers are greeting the launch of Google’s ad blocker with a mixture of relief and unease, pleased that it is purging intrusive ads but worried over the internet giant’s power to quickly overhaul the industry.